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Finding the Fourth Proportional to 352,944.81, 486,728.60 and 232,188.39

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Solution

The fourth proportional to 352,944.81, 486,728.60 and 232,188.39 is: 320,199.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,944.81 : 486,728.60 = 232,188.39 : x
  2. Step 2: Convert to fraction form
    352,944.81/486,728.60 = 232,188.39/x
  3. Step 3: Cross multiply
    352,944.81x = 486,728.60 × 232,188.39
  4. Step 4: Simplify right side
    352,944.81x = 113,012,728,840.01
  5. Step 5: Solve for x
    x = 113,012,728,840.01/352,944.81
  6. Step 6: Final answer
    x = 320,199.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.